Drilldown: Patents

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Patents > Office : DK or FR or Other & Inventor country: US & Tech fields : Airship or LTA or subsystem or wings or None & Filing date: 1910 - 1919 & IPCs: None

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None (1097) · Victor J. Evans (23) · Munn & Co. (16) · John P. Tarbox (9) · C. A. Snow & Co. (6) · Randolph, Jr. (5) · C. C. Hines (4) · None (4) · H. C. Evert & Co. (3) · Chandler & Chandler (3) · Sigmund Herzog (3)
National tech categories:
None (674) · USPC 244/90R (35) · USPC 244/233 (27) · USPC 244/80 (24) · USPC 244/48 (23) · USPC 244/119 (22) · USPC 244/45R (21) · USPC 244/87 (15) · USPC 244/22 (14) · USPC 244/93 (13) · USPC 244/139 (13) · USPC 244/91 (13) · USPC 244/66 (13) · USPC 244/104R (12) · USPC 244/35R (12) · USPC 244/100R (11) · USPC 244/234 (11) · USPC 244/30 (10) · USPC 244/13 (9) · USPC 244/101 (9)
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